US10432430B2 - Triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment - Google Patents
Triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment Download PDFInfo
- Publication number
- US10432430B2 US10432430B2 US15/641,909 US201715641909A US10432430B2 US 10432430 B2 US10432430 B2 US 10432430B2 US 201715641909 A US201715641909 A US 201715641909A US 10432430 B2 US10432430 B2 US 10432430B2
- Authority
- US
- United States
- Prior art keywords
- aid equipment
- navigational aid
- tone
- navigational
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/04—Details
- G01S1/042—Transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/04—Apparatus or circuits at the transmitting end
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D45/00—Aircraft indicators or protectors not otherwise provided for
- B64D45/04—Landing aids; Safety measures to prevent collision with earth's surface
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
- G01S1/16—Azimuthal guidance systems, e.g. system for defining aircraft approach path, localiser system
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/14—Systems for determining direction or position line using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics
- G01S1/18—Elevational guidance systems, e.g. system for defining aircraft glide path
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
- G08G5/0004—Transmission of traffic-related information to or from an aircraft
- G08G5/0013—Transmission of traffic-related information to or from an aircraft with a ground station
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
- G08G5/0017—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information
- G08G5/0026—Arrangements for implementing traffic-related aircraft activities, e.g. arrangements for generating, displaying, acquiring or managing traffic information located on the ground
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
- G08G5/02—Automatic approach or landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
- G08G5/025—Navigation or guidance aids
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Definitions
- the present disclosure relates generally to the field of avionics, and more specifically to devices, systems, and methods for triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment.
- Pilots generally rely on instrument landing systems (ILSs), and/or distance measuring equipment (DME) to aid with navigation and landing when flying during periods of low visibility or inclement weather.
- ILSs instrument landing systems
- DME distance measuring equipment
- the ILS is a ground-based instrument approach system that provides aircraft with lateral guidance (e.g., from localizer antenna array) and vertical guidance (e.g., glide slope antenna array) while approaching and landing on a runway.
- lateral guidance e.g., from localizer antenna array
- vertical guidance e.g., glide slope antenna array
- an aircraft approaching a runway is guided by ILS receivers in the aircraft that perform modulation depth comparisons of signals transmitted by a localizer antenna array located at the end of the runway and by a glide slope antenna array located to one side of the runway touchdown zone.
- the Localizer identifies the ILS system by transmitting a unique Morse code identifier.
- the ILS signal format also includes a provision for a voice signal that is not currently in use.
- a DME When a DME is included as part of an ILS, it also provides a Morse Code identification that is the same as that provided by the associated Localizer.
- the Morse Code signals must be time synchronized to assure that only the Localizer or the DME identification is broadcast at any one time.
- two signals are transmitted by the localizer from co-located antennas within the array.
- One signal is modulated at a first frequency (e.g., 90 Hz), while the other signal is modulated at a second frequency (e.g., 150 Hz).
- Each of the co-located antennas transmits a narrow beam, one slightly to the left of the runway centerline, the other slightly to the right of the runway centerline.
- the localizer receiver in the aircraft measures the difference in the depth of modulation (DDM) of the first signal (e.g., 90 Hz) and the second signal (e.g., 150 Hz).
- DDM depth of modulation
- the depth of modulation for each of the modulating frequencies is 20 percent when the receiver is on the centerline.
- the difference between the two signals varies depending on the deviation of the approaching aircraft from the centerline.
- the pilot controls the aircraft so that a localizer indicator (e.g., cross hairs) in the aircraft remains centered on the display to provide lateral guidance.
- the same transmitter also transmits a Morse Code identification signal. This allows the pilot to positively identify the ILS system.
- the depth of modulation for the Morse Code is between 5% and 15%.
- the glide slope (GS) antenna array transmits a first signal modulated at a first frequency (e.g., 90 Hz) and a second signal modulated at a second frequency (e.g., 150 Hz).
- the two GS signals are transmitted from co-located antennas in the GS antenna array.
- the center of the GS signal is arranged to define a glide path of a predetermined slope (e.g., 3°) above the ground level for the approach of the aircraft.
- the pilot controls the aircraft so that a guide slope indicator (e.g., cross hairs) remains centered on the display to provide vertical guidance during landing.
- the Glide slope does not have a provision for Morse Code transmission.
- Navigational aid systems may include an ILS that is made of a localizer, a glide slope, and DME.
- the localizer provides horizontal guidance and the glide slope provides vertical guidance to an aircraft approaching a runway.
- the DME may be collocated with the localizer or the glide slope.
- the localizer, glide slope, and DME may be identified by an aircraft using synchronized identification signals broadcast from the Localizer and DME.
- the localizer may broadcast respective identifications using a frequency of the voice band.
- the broadcast of the identification signal of the DME is triggered using a synchronization signal received from the localizer using a cable connection. For example, when the DME is located remote from the localizer, a cable that may be several miles long may be used to connect the DME to the localizer and/or glide slope. However, this configuration may be inconvenient and expensive.
- aspects of the present invention relate to methods, systems, and computer-readable media for triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment.
- Aspects include receiving, at the first navigational aid equipment, a tone in a voice band of second navigational aid equipment.
- aspects also include transmitting, by the first navigational aid equipment, the identification associated with the first navigational aid equipment identification when the tone is received.
- FIG. 1A is a diagram illustrating one example of a system in accordance with various aspects of the present disclosure.
- FIG. 1B is a diagram illustrating one example of a system in accordance with various aspects of the present disclosure.
- FIG. 1C is a diagram showing the Morse Code identification timing of an ILS system for use in accordance with various aspects of the present disclosure.
- FIG. 2 is a flow diagram illustrating an example method for triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment.
- FIG. 3 is a diagram illustrating example aspects of a hardware implementation for a system employing a processing system in accordance with aspects of the present disclosure.
- FIG. 4 a system diagram illustrating various example hardware components and other features, for use in accordance with aspects of the present disclosure.
- processors include microprocessors, microcontrollers, digital signal processors (DSPs), field programmable gate arrays (FPGAs), programmable logic devices (PLDs), state machines, gated logic, discrete hardware circuits, discrete radio frequency (RF) circuits, and other suitable hardware configured to perform the various functionality described throughout this disclosure.
- DSPs digital signal processors
- FPGAs field programmable gate arrays
- PLDs programmable logic devices
- state machines gated logic, discrete hardware circuits, discrete radio frequency (RF) circuits, and other suitable hardware configured to perform the various functionality described throughout this disclosure.
- RF radio frequency
- Software shall be construed broadly to include instructions, instruction sets, code, code segments, program code, programs, subprograms, software components, applications, software applications, software packages, routines, subroutines, objects, executables, threads of execution, procedures, functions, etc., whether referred to as software, firmware, middleware, microcode, hardware description language, or otherwise.
- the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions may be stored on or encoded as one or more instructions or code on a computer-readable medium or media.
- Computer-readable media includes computer storage media. Storage media may be any available media that is able to be accessed by a computer.
- such computer-readable media can comprise a random-access memory (RAM), a read-only memory (ROM), an electrically erasable programmable ROM (EEPROM), compact disk ROM (CD-ROM) or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that may be used to carry or store desired program code in the form of instructions or data structures and that may be accessed by a computer.
- Disk and disc include CD, laser disc, optical disc, digital versatile disc (DVD), and floppy disk, where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
- aspects of a method, apparatus, and computer-readable medium presented herein may be configured to trigger an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment.
- the method, apparatus, and computer-readable medium may be configured to trigger an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment with ILS or any other application where a DME and its associated navigation are not located together.
- ILS any other application where a DME and its associated navigation are not located together.
- Navigational aid systems may include an ILS that is made of a localizer, a glide slope, and DME.
- the localizer provides horizontal guidance and the glide slope provides vertical guidance to an aircraft approaching a runway.
- the DME may be collocated with the localizer or the glide slope.
- the localizer and DME may be identified by an aircraft using synchronized identification signals broadcast from each of the stations in the ILS.
- the localizer may broadcast respective identifications using a frequency of the localizer voice band.
- the broadcast of the identification signal of the DME is triggered using a synchronization signal received from the localizer using a cable connection. For example, when the DME is located remote from the localizer a cable that may be several miles long may be used to connect the DME to the localizer. However, this configuration may be quite expensive.
- the navigation aid system of the present disclosure triggers the DME to broadcast a synchronized identification by including an additional tone in the voice band that is broadcast by the localizer.
- FIGS. 1A and 1B each illustrate an overall system diagram of example navigational aid systems 100 , 150 for use in accordance with aspects of the present disclosure.
- the example systems of FIGS. 1A and 1B each includes, for example, an aircraft 102 , a runway 116 , a navigational aid station 104 (e.g., illustrated in FIG. 1A ), first navigational aid equipment 106 , and second navigational aid equipment 108 .
- FIG. 1C shows the typical time relationship of the identification signals of an Instrument landing system, which may be used for example, in accordance with aspects of the present disclosure.
- the navigational aid system 100 includes first navigational aid equipment 106 collocated with second navigational aid equipment 108 in a navigational aid station 104 .
- the navigation aid system 150 may include the first navigational aid equipment 106 located remote from the second navigational aid equipment 108 .
- the first navigational aid system 106 may be a DME.
- the second navigational aid station 108 may be a localizer.
- the second navigational aid station 108 may broadcast an identification during a predetermined time during a predetermined interval using the voice band.
- the second navigational aid station may broadcast a Morse code identification three (3) times (7.5 second period) during an interval of 30 seconds
- the broadcast from the second navigational aid equipment 108 may include an additional tone 112 in the voice band that is received by the first navigational aid station 106 .
- the modulation frequencies dedicated for the voice band may be, for example, 300 to 3000 Hz.
- the additional tone 112 may trigger the first navigational aid equipment 106 to broadcast a synchronized identification signal 114 during a second time period within the 30 second interval.
- the identification signal 114 may be broadcast by the first navigational aid equipment 106 in a fourth 7.5 second period of the 30 second interval.
- the navigational aid system 100 , 150 of the present disclosure may not need a cable connection for the synchronization of identification signals broadcast by the first navigational equipment 106 and the second navigational aid equipment 108 .
- the Localizer part of an Instrument Landing system broadcasts the identification signal for the user of a Localizer and Glideslope. It also establishes the timing for an associated DME.
- Signal 130 is the typical identification signal for a localizer ( FIG. 1C ). It broadcasts a Morse code signal during three periods inside of an overall 30 second period.
- the localizer may then broadcast a triggering signal ( 131 ) in the localizer voice band to cause the associated DME to broadcast its identification ( 132 ). This approach forces the DME identification to remain synchronous with the Localizer.
- FIG. 2 is a flow diagram illustrating an example method 200 for triggering an identification signal broadcast of first navigational aid equipment using a tone in the voice band transmitted by second navigational aid equipment in accordance with various aspects of the present disclosure.
- the process described in this flow diagram may be implemented and/or performed by the first navigational aid equipment 106 illustrated in FIGS. 1A and 1B .
- the first navigational aid equipment may include one of a DME.
- the first navigational aid equipment may receive a tone in a voice band of second navigational aid equipment.
- the second navigational aid station 108 may broadcast an identification during a predetermined time during a predetermined interval using the voice band that may be received by the first navigational aid equipment 106 .
- the second navigational aid station may broadcast a Morse code identification three times (each time has an interval of 7.5 seconds) during an interval of 30 seconds.
- the broadcast from the second navigational aid equipment 108 may include an additional tone 112 in the voice band that is received by the first navigational aid station 106 .
- the modulation frequencies dedicated for the voice band may be, for example, 300 to 3000 Hz.
- the first navigational aid equipment may transmit the identification associated with the first navigational aid equipment identification when the tone is received.
- the additional tone 112 may trigger the first navigational aid equipment 106 to broadcast a synchronized identification signal 114 during a second time period within the 30 second interval.
- the identification signal 114 may be broadcast by the first navigational aid equipment 106 in a fourth 7.5 second period of the 30 second interval.
- the navigational aid system 100 , 150 of the present disclosure may not need a cable connection for the synchronization of identification signals broadcast by the first navigational equipment 106 and the second navigational aid equipment 108 .
- the first navigational aid equipment may be collocated with the second navigational aid equipment (as illustrated in FIG. 1A ).
- the second navigation aid equipment may be located remote from the first navigational aid equipment (as illustrated in FIG. 1B ).
- the first navigational aid equipment may be a DME.
- the second navigational aid equipment may be a localizer.
- the tone may be received at a first predetermined time during a predetermined interval in the voice band of the second navigational aid equipment.
- the identification of the first navigational aid equipment may be transmitted at a second predetermined time during the predetermined interval in the voice band of the second navigational aid equipment.
- the identification may be a Morse Code identification.
- the tone may include multiple tone frequencies or a pattern of tones.
- FIG. 3 is a representative diagram illustrating an example hardware implementation for a system 300 employing a processing system 302 .
- the processing system 302 may be implemented with an architecture that links together various circuits, including, for example, one or more processors and/or components, represented by the processor 304 , the components 312 , 314 , 316 , 318 , 320 and the computer-readable medium/memory 306 .
- the processing system 302 may be coupled to or connected with navigational aid equipment.
- the processing system 302 may include a processor 304 coupled to a computer-readable medium/memory 306 via bus 324 .
- the processor 304 may be responsible for general processing, including the execution of software stored on the computer-readable medium/memory 306 .
- the software when executed by the processor 304 , may cause the processing system 302 to perform various functions described supra for any particular apparatus and/or system.
- the computer-readable medium/memory 306 may also be used for storing data that is manipulated by the processor 304 when executing software.
- the processing system may further include at least one of the components 316 , 318 .
- the components may comprise software components running in the processor 304 , resident/stored in the computer readable medium/memory 306 , one or more hardware components coupled to the processor 304 , or some combination thereof.
- the processing system 302 may be a component of the first navigational aid equipment 106 , as illustrated in FIGS. 1A and 1B .
- the system 300 may further include features for receiving, at first navigational aid equipment, a tone in a voice band of second navigational aid equipment, and transmitting, by the first navigational aid equipment, the identification associated with the first navigational aid equipment identification using the voice band of the second navigational aid equipment when the tone is received.
- the aforementioned features may be carried out via one or more of the aforementioned components of the system 300 and/or the processing system 302 configured to perform the functions recited by the aforementioned features.
- aspects may include a system for performing a method for trigger an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment, e.g., in connection with FIG. 2 .
- the system may include additional components that perform each of the functions of the method of the aforementioned flowchart of FIG. 2 , or other algorithm. As such, each block in the aforementioned flowchart of FIG. 2 may be performed by a component, and the system may include one or more of those components.
- the components may include one or more hardware components specifically configured to carry out the stated processes/algorithm, implemented by a processor configured to perform the stated processes/algorithm, stored within a computer-readable medium for implementation by a processor, or some combination thereof.
- aspects may include a non-transitory computer-readable medium for triggering an identification signal broadcast from a first navigational aid equipment, the non-transitory computer-readable medium having control logic stored therein for causing a computer to perform the aspects described in connection with, e.g., FIG. 2 .
- aspects presented herein may be implemented using a combination of both hardware and software.
- FIG. 4 is an example system diagram of various hardware components and other features, for use in accordance with aspects presented herein.
- the aspects may be implemented using hardware, software, or a combination thereof and may be implemented in one or more computer systems or other processing systems.
- the aspects may include one or more computer systems capable of carrying out the functionality described herein, e.g., in connection with FIG. 2 .
- computer system 400 includes one or more processors, such as processor 404 .
- the processor 404 may be configured for signal processing at navigational aid equipment.
- the processor 404 is connected to a communication infrastructure 406 (e.g., a communications bus, cross-over bar, or network).
- a communication infrastructure 406 e.g., a communications bus, cross-over bar, or network.
- Computer system 400 may include a display interface 402 that forwards graphics, text, and other data from the communication infrastructure 406 (or from a frame buffer not shown) for display on a display unit 430 .
- the display unit 430 may be included in navigation aid equipment/navigational aid station.
- Computer system 400 also includes a main memory 408 , preferably random access memory (RAM), and may also include a secondary memory 410 .
- the secondary memory 410 may include, for example, a hard disk drive 412 and/or a removable storage drive 414 , representing a floppy disk drive, a magnetic tape drive, an optical disk drive, etc.
- the removable storage drive 414 reads from and/or writes to a removable storage unit 418 in a well-known manner.
- Removable storage unit 418 represents a floppy disk, magnetic tape, optical disk, etc., which is read by and written to removable storage drive 414 .
- the removable storage unit 418 includes a computer usable storage medium having stored therein computer software and/or data.
- secondary memory 410 may include other similar devices for allowing computer programs or other instructions to be loaded into computer system 400 .
- Such devices may include, for example, a removable storage unit 422 and an interface 420 .
- Examples of such may include a program cartridge and cartridge interface (such as that found in video game devices), a removable memory chip (such as an erasable programmable read only memory (EPROM), or programmable read only memory (PROM)) and associated socket, and other removable storage units 422 and interfaces 420 , which allow software and data to be transferred from the removable storage unit 422 to computer system 400 .
- EPROM erasable programmable read only memory
- PROM programmable read only memory
- Computer system 400 may also include a communications interface 424 .
- Communications interface 424 allows software and data to be transferred between computer system 400 and external devices. Examples of communications interface 424 may include a modem, a network interface (such as an Ethernet card), a communications port, a Personal Computer Memory Card International Association (PCMCIA) slot and card, etc.
- Software and data transferred via communications interface 424 are in the form of signals 428 , which may be electronic, electromagnetic, optical or other signals capable of being received by communications interface 424 . These signals 428 are provided to communications interface 424 via a communications path (e.g., channel) 426 .
- This path 426 carries signals 428 and may be implemented using wire or cable, fiber optics, a telephone line, a cellular link, wireless communications link, a radio frequency (RF) link and/or other communications channels.
- RF radio frequency
- the terms “computer program medium” and “computer usable medium” are used to refer generally to media such as a removable storage drive 480 , a hard disk installed in hard disk drive 412 , and signals 428 . These computer program products provide software to the computer system 400 . Aspects presented herein may include such computer program products.
- Computer programs are stored in main memory 408 and/or secondary memory 410 . Computer programs may also be received via communications interface 424 . Such computer programs, when executed, enable the computer system 400 to perform the features presented herein, as discussed herein. In particular, the computer programs, when executed, enable the processor 410 to perform the features described supra with respect to FIGS. 1A, 1B, 1C, 2 and 3 . Accordingly, such computer programs represent controllers of the computer system 400 .
- the software may be stored in a computer program product and loaded into computer system 400 using removable storage drive 414 , hard drive 412 , or communications interface 420 .
- the control logic when executed by the processor 404 , causes the processor 404 to perform the functions as described herein.
- aspects may be implemented primarily in hardware using, for example, hardware components, such as application specific integrated circuits (ASICs). Implementation of the hardware state machine so as to perform the functions described herein will be apparent to persons skilled in the relevant art(s).
- example is used herein to mean “serving as an example, instance, or illustration.” Any aspect described herein as “example” is not necessarily to be construed as preferred or advantageous over other aspects. Unless specifically stated otherwise, the term “some” refers to one or more.
- Combinations such as “at least one of A, B, or C,” “at least one of A, B, and C,” and “A, B, C, or any combination thereof” include any combination of A, B, and/or C, and may include multiples of A, multiples of B, or multiples of C.
- combinations such as “at least one of A, B, or C,” “at least one of A, B, and C,” and “A, B, C, or any combination thereof” may be A only, B only, C only, A and B, A and C, B and C, or A and B and C, where any such combinations may contain one or more member or members of A, B, or C.
Abstract
Description
Claims (19)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/641,909 US10432430B2 (en) | 2016-07-08 | 2017-07-05 | Triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment |
PCT/US2017/041207 WO2018009872A1 (en) | 2016-07-08 | 2017-07-07 | Triggering an identification signal broadcast of a first navigational aid equipment |
EP17825029.6A EP3482500A4 (en) | 2016-07-08 | 2017-07-07 | Triggering an identification signal broadcast of a first navigational aid equipment |
KR1020197001428A KR20190018514A (en) | 2016-07-08 | 2017-07-07 | Triggering the identification signal broadcast of the first navigation auxiliary equipment |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201662360142P | 2016-07-08 | 2016-07-08 | |
US15/641,909 US10432430B2 (en) | 2016-07-08 | 2017-07-05 | Triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
US20180013589A1 US20180013589A1 (en) | 2018-01-11 |
US10432430B2 true US10432430B2 (en) | 2019-10-01 |
Family
ID=60911297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/641,909 Active US10432430B2 (en) | 2016-07-08 | 2017-07-05 | Triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment |
Country Status (4)
Country | Link |
---|---|
US (1) | US10432430B2 (en) |
EP (1) | EP3482500A4 (en) |
KR (1) | KR20190018514A (en) |
WO (1) | WO2018009872A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220093292A (en) | 2020-12-27 | 2022-07-05 | 박성호 | Drone helicopter |
KR102522498B1 (en) * | 2022-04-14 | 2023-04-17 | 재단법인한국조선해양기자재연구원 | Underwater vehicle docking guide system and method thereof |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4651158A (en) * | 1983-09-30 | 1987-03-17 | Rockwell International Corporation | DME morse code identity decoder |
US6072994A (en) * | 1995-08-31 | 2000-06-06 | Northrop Grumman Corporation | Digitally programmable multifunction radio system architecture |
US20050187677A1 (en) * | 2001-10-01 | 2005-08-25 | Kline & Walker, Llc | PFN/TRAC systemTM FAA upgrades for accountable remote and robotics control to stop the unauthorized use of aircraft and to improve equipment management and public safety in transportation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4110726A (en) * | 1977-07-22 | 1978-08-29 | General Dynamics Corporation Electronics Division | Navigation system and method for determining the position of an ocean mining ship |
JP2842023B2 (en) * | 1992-02-12 | 1998-12-24 | 日本電気株式会社 | Transmission synchronization system |
KR101389952B1 (en) * | 2012-12-21 | 2014-05-07 | 한국공항공사 | Apparatus and metho for id collocating for instrument landing system |
-
2017
- 2017-07-05 US US15/641,909 patent/US10432430B2/en active Active
- 2017-07-07 EP EP17825029.6A patent/EP3482500A4/en not_active Withdrawn
- 2017-07-07 KR KR1020197001428A patent/KR20190018514A/en not_active Application Discontinuation
- 2017-07-07 WO PCT/US2017/041207 patent/WO2018009872A1/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4651158A (en) * | 1983-09-30 | 1987-03-17 | Rockwell International Corporation | DME morse code identity decoder |
US6072994A (en) * | 1995-08-31 | 2000-06-06 | Northrop Grumman Corporation | Digitally programmable multifunction radio system architecture |
US20050187677A1 (en) * | 2001-10-01 | 2005-08-25 | Kline & Walker, Llc | PFN/TRAC systemTM FAA upgrades for accountable remote and robotics control to stop the unauthorized use of aircraft and to improve equipment management and public safety in transportation |
Non-Patent Citations (1)
Title |
---|
International Search Report of related International Patent Application No. PCT/US2017/041207 dated Sep. 25, 2017. |
Also Published As
Publication number | Publication date |
---|---|
KR20190018514A (en) | 2019-02-22 |
WO2018009872A1 (en) | 2018-01-11 |
US20180013589A1 (en) | 2018-01-11 |
EP3482500A4 (en) | 2020-03-25 |
EP3482500A1 (en) | 2019-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10281586B2 (en) | Transmission data for flight check | |
US9432108B2 (en) | Augmented aircraft communication system | |
US6801158B2 (en) | Annunciation of the distance to a target position in a global positioning system landing system | |
US10645561B1 (en) | Methods and systems for vehicle position reporting and emergency messaging | |
CN107831506B (en) | Radio signal processing system and method for receiving radio signal | |
US10432430B2 (en) | Triggering an identification signal broadcast of a first navigational aid equipment using a tone in the voice band transmitted by a second navigational aid equipment | |
WO2006040730A3 (en) | High-capacity location and identification system for cooperating mobiles with frequency agile and time division transponder device on board | |
EP2548041A1 (en) | Systems and methods for short baseline, low cost determination of airborne aircraft location | |
Novák et al. | Measuring and testing the instrument landing system at the airport Zilina | |
US20200242950A1 (en) | Methods and systems for vehicle position reporting and managing historical position information | |
KR20180072783A (en) | Ground-based navigation aids for aircraft safety | |
US20170248675A1 (en) | Navigational aid system multipath reduction using a modulated carrier | |
US20170302471A1 (en) | Radio frequency (rf) coax interface for full data rate controller area network (can) protocol signaling with low latency | |
KR20160050845A (en) | Integrated Landing Receiver for an Aircraft Landing | |
Boisvert et al. | ADS-Mode S system overview | |
US20170149148A1 (en) | Direct drive very high frequency omni directional radio range (vor) antenna | |
Mangali et al. | Development of a Power over Ethernet (PoE) enabled ADS-B receiver system | |
KR101389952B1 (en) | Apparatus and metho for id collocating for instrument landing system | |
US9767702B2 (en) | Smart headset system | |
EP3486887A1 (en) | Virtualized navigation and communication radios | |
KR102209074B1 (en) | A landing guidance method for a fixed-wing aircraft using signal travel time and system using it | |
KR101696225B1 (en) | Relay-based distributed time synchronization method and system | |
CN114449508B (en) | Communication method, device and equipment of low airspace flight equipment | |
KR102062712B1 (en) | Pseudolite navigation system | |
WO2019135966A1 (en) | Power line communication for an aeronautical system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: THALES DEFENSE & SECURITY, INC., MARYLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MULLIN, RICHARD;REEL/FRAME:042916/0998 Effective date: 20160714 |
|
AS | Assignment |
Owner name: THALES USA, INC., VIRGINIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:THALES DEFENSE & SECURITY, INC.;REEL/FRAME:046291/0548 Effective date: 20180705 |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: FINAL REJECTION MAILED |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT RECEIVED |
|
STPP | Information on status: patent application and granting procedure in general |
Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 4 |